Severe osteoporosis: Principles for pharmacological therapy in Mexico Patricia Clark; Fernando Carlos Rivera; Lucía Méndez Sánchez; Carlos Fernando Mendoza Gutiérrez; Jessica Liliana Vargas Neri; Sandra Miriam Carrillo Vázquez; Daniel Xavier Xibillé Friedmann; Ariana Alvarado Ceballos; José Manuel Aguilera Zepeda; Víctor Mercado Cárdenas; Hilario Ávila Amengol;

Update of the Consensus Statement of the Spanish Society of Rheumatology on the use of biological and synthetic targeted therapies in rheumatoid arthritis José María Álvaro-Gracia Álvaro; Petra Díaz del Campo Fontecha; José Luis Andréu Sánchez; Alejandro Balsa Criado; Rafael Cáliz Cáliz; Isabel Castrejón Fernández; Hèctor Corominas; José A. Gómez Puerta; Sara Manrique Arija; Natalia Mena Vázquez; Ana Ortiz García; Chamaida Plasencia Rodríguez; Lucía Silva Fernández; Jesús Tornero Molina;

Osteoporosis in psoriatic arthritis: Risk factors, insufficiency fractures and its association with the disease activity María Paz Martínez-Vidal; Vega Jovani; José Raúl Noguera-Pons; Antonio Álvarez-Cienfuegos;